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Feldspar Pegmatite Quarries No. Cj-016

Past Producer in Hartford county in Connecticut, United States with commodity Feldspar
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10067699
MRDS ID W000500
Record type Site
Current site name Feldspar Pegmatite Quarries No. Cj-016
Related records 10119172

Geographic coordinates

Geographic coordinates: -72.59896, 41.64943 (WGS84)

Site location context

Political divisions (FIPS codes)

Hartford(county)

Connecticut(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Glastonbury(quadrangle 1:24,000 scale)

Hartford(quadrangle 1:100,000 scale)

Hartford(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Outlet Connecticut River(hydrologic unit)

Lower Connecticut(hydrologic accounting unit)

Connecticut(hydrologic subregion)

New England(hydrologic region)

Geographic areas

Country State County
United States Connecticut Hartford

Commodities

Commodity Importance
Feldspar Primary

Comments on the commodity information

  • FROM NORTHERN MOST QUARRY, THREE ADDITIONAL QUARRIES PRESENT; ONE 500 FEET SSE., ONE 2000 FEET SSW., AND ONE 700 FEET SW. TWO PROSPECTS ARE ALSO PRESENT 2000 FEET SSW. AND 2400 FEET SW. ON TOPO SHEET PIT ALSO SHOWN 1000 FEET TO SSW., OTHERWISE, QUARRIES AND PITS NOT SHOWN ON TOPO SHEET.

Materials information

Materials Type of material
Feldspar Ore
Quartz Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -72.59896, 41.64943
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Economic information

Controls for ore emplacement

  • Pegmatite Dike

Comments on the geologic information

  • GEOL.DESC: SWARM OF NNE. TRENDING PEGMATITE DIKES IN THE COLLINS HILL SCHIST. SWARMS OF DIKES ALSO PRESENT IN THE WESTWARD ADJACENT OLDER PRE-ORDOVICIAN MIDDLETOWN GNEISS AND EASTWARD ADJACENT LOWER PALEOZOIC GLASTONBURY GRANITE GNEISS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Significant No
Production years UNKNOWN

Mining district

District name Glastonbury

Comments on the production information

  • FIGURES LACKING BUT PRODUCTION PROBABLY SMALL. PRODUCED FELDSPAR CONCENTRATES.

Comments on the reserve resource information

  • FIGURES LACKING, PROBABLY LARGE AMOUNTS OF FELDSPAR AVAILABLE FROM DIKE SWARM. HOUSING DEVELOPMENT HINDRANCE TO FUTURE MINING OPERATIONS.

Comments on development

  • TOTAL$: US

Reference information

Bibliographic references

  • Deposit

    BROOKINS, D. G., 1970, "CONTRI. TO GEOCHRON. IN CONN.", CONN. GEOLOGICAL SURVEY, R. I. NO. 5, TEXT, PG. 12, 13

  • Production

    STUGARD, 1958

General comments

Subject category Comment text
Deposit STUGARD'S MAP AT 1:24000 LOCATES QUARRIES AND PROSPECTS BY SYMBOLS. ACCORDING TO BROOKINS' GEOCHRON DATES, SIMILAR PEGMATITE DIKES ARE ABOUT 260 M. Y. PART OF AREA IS HOUSING DEVELOPMENT. USGS TOPO, 1964, "GLASTONBURY", AT 1:24000, SHOWS ONE EXCAVATION. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 D'Agostino, John P. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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